Added list and tool to generate list for cloudflare IP ranges.

lists/cloudflare/list.json

@@ -0,0 +1,34 @@
+{
+  "list": [
+    "198.41.128.0/17",
+    "131.0.72.0/22",
+    "104.16.0.0/12",
+    "103.21.244.0/22",
+    "197.234.240.0/22",
+    "173.245.48.0/20",
+    "188.114.96.0/20",
+    "108.162.192.0/18",
+    "141.101.64.0/18",
+    "162.158.0.0/15",
+    "2400:cb00::/32",
+    "2803:f800::/32",
+    "103.22.200.0/22",
+    "2a06:98c0::/29",
+    "2c0f:f248::/32",
+    "2405:8100::/32",
+    "2405:b500::/32",
+    "190.93.240.0/20",
+    "2606:4700::/32",
+    "103.31.4.0/22",
+    "172.64.0.0/13"
+  ],
+  "type": "cidr",
+  "matching_attributes": [
+    "ip-dst",
+    "ip-src",
+    "domain|ip"
+  ],
+  "name": "List of known Cloudflare IP ranges",
+  "version": 20190724,
+  "description": "List of known Cloudflare IP ranges (https://www.cloudflare.com/ips/)"
+}

tools/generate-cloudflare.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+
+import json
+import os
+import requests
+import datetime
+import io
+
+base_url="https://www.cloudflare.com/"
+uri_list=['ips-v4','ips-v6']
+dict=dict()
+dict['list']=list()
+def source_read_and_add(input_file):
+	output_list=list()
+
+	for line in input_file.splitlines():
+		output_list.append(line)
+	return output_list
+
+
+for uri in uri_list:
+	url = base_url + uri
+	r=requests.get(url)
+	dict['list'] += source_read_and_add(r.text)
+
+dict['type'] = "cidr"
+dict['matching_attributes']=["ip-dst","ip-src","domain|ip"]
+dict['name']="List of known Cloudflare IP ranges"
+dict['version']= int(datetime.date.today().strftime('%Y%m%d'))
+dict['description']="List of known Cloudflare IP ranges (https://www.cloudflare.com/ips/)"
+dict['list']=list(set(dict['list']))
+
+print(json.dumps(dict))